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I/M Hotline: 1-800-265-0921

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Information for Inspection Stations

This area of the Drive Clean Pennsylvania web site is set aside to provide information to service station personnel interested in the Vehicle Emissions Inspection & Maintenance Program.

OBD II Inspection Flow Charts

The OBD II Inspection Flow Charts are designed to help guide you through different inspection results you may encounter during the normal course of OBD II inspections and repairs. Following the flow charts will help prevent unnecessary time loss due to improper procedures. In the event you encounter a vehicle that you are not able to "Ready" for an inspection or are not able to provide a waiver, please call the station operator hot line at 1-888-265-5909 and ask for your call to be "Escalated".

Approved Auto Technician Training

  • To become a certified emissions inspector, you must be at least 18 years of age, have a valid driver's license, attend a PENNDOT-approved certification course and successfully complete the prescribed tests. Here is a list of approved emissions schools to contact for course availability. Inspectors must take recertification courses and tests every two years to be recertified. Contact an approved school.

  • For becoming an inspector restricted to the Northern counties, prospective students should call Parsons at (888)265-5909. They will be given instructions on how to apply, obtain course materials, and take the test. Inspectors in the Northern region must take a proctored recertification test at an approved institution. See a list of institutions for training in the Northern region.

    Parsons provides support services for Pennsylvania's inspection training program. Contact your school or Parsons at (888)265-5909, for questions about training such as test results and inspector cards.

  • A station wishing to apply to become an official PENNDOT emissions inspection station should contact the appropriate county Quality Assurance Officer. To find the Quality Assurance Officer in your area, please check the Quality Assurance Officers contact list.

Status of OBD and VISUAL Emissions Equipment Specification Changes

Where To Get Emissions Testing Equipment

Service Station Bulletins

I/M Regulations

Inspection Programs in Other States

  • Inspection Programs in Other States - Includes reciprocity information on requirements for availability of tests for out of state and Pennsylvania-registered vehicles driven out of state. Prepared by the Illinois EPA (8/10)(PDF)


Station Operator Hot Line

Use this number to request enrollment packages.